Douchitis: The illness or disease of having excessive douche like tendencies, to the extent that it effects loved ones and friends in a negative manner.

We at Douche Patrol are the world's foremost leading authority on douches, douchebags, douchettes, and douchebag behavior in general. We recently launched the Global Douche Initiative in order to combat douchitis worldwide.

The douchitis pandemic is increasing at such an astonishing rate that the global economy is feeling the horrible effects due to douche-like activity negatively affecting workforce activities.

Originates from Douchebag. Douchitis is a disease caught by many in recent times. Symptoms of Douchitis include wearing an excess of collared t-shirts at the same time, taking a picture of your abs or taking pick up basketball games way too seriously.

"Man, Chad just took his shirt off in a basketball game and nobody was designated skins."